Our Apps Have Driven
5X AOV | 2X Conversions | $30M+ Additional Revenue
5X AOV | 2X Conversions | $30M+ Additional Revenue
5.0 (3000+ Reviews)
Bundler is one of the most popular bundle apps for Shopify stores, with over 2,000 reviews and a strong free tier promise. But the moment a store grows beyond its early days, the cracks show: a draft order checkout flow that breaks automatic discounts, a free plan that gates most of its useful features behind paid upgrades, a widget design that looks dated against modern Shopify themes, and a 100-variant ceiling that quietly fails on catalog-heavy stores. These are the reasons stores start looking for a Bundler app alternative.
This guide compares the seven strongest Bundler app alternatives on the Shopify App Store, ranked by bundle coverage, checkout architecture, pricing transparency, and review quality. Each app gets a full review covering its features, pricing, pros, cons, and the specific use case it handles best, so you can shortlist the right replacement for your store without testing every option yourself.
Easy Bundle Builder is a Shopify bundle app that covers every bundle format a growing store actually uses: build-your-own-bundle, mix and match, gift boxes, subscription bundles, fixed bundles, and quantity breaks, all in one app. It is built on Shopify's Cart Transformation API, which means bundle products appear as individual line items at checkout instead of routing through a draft order, so automatic discounts apply correctly and inventory stays accurate. With $153M+ in generated bundle revenue across 8,000+ Shopify stores, it is the most-proven Bundler app alternative at scale. The drag-and-drop design builder, multi-step BYOB flows, and full Shopify Markets compatibility make it the safest pick for stores leaving Bundler's outdated widget and draft-order architecture behind.

Easy Bundle Builder fixes the three biggest structural problems with Bundler in one app. The Cart Transformation API replaces Bundler's draft order checkout, which means automatic discounts work, the "back to cart" link functions, and inventory tracks accurately at scale. The free plan delivers genuine value up to $500/month in bundle sales with full feature access rather than gating mix-and-match or analytics behind upgrade banners. And the platform is proven at the volume Bundler stores grow into, with case studies like Cove generating $4.4M and Evry Jewels generating $465K from a single Black Friday gift box campaign.
4.9 (822 reviews) on Shopify App Store
Pumper Bundles is a Shopify bundle app built on a revenue-based pricing model: stores pay nothing until they generate $300 in bundle revenue. The widget design is modern and renders without theme conflicts, which solves the outdated UI complaint that surfaces in most Bundler reviews. The app covers volume discounts, BOGO, free gift offers, and mix-and-match bundles, making it a solid starting point for first-time bundle users.

4.9 (2,926 reviews) on Shopify App Store
Fast Bundle is a Built-for-Shopify-certified bundle app used by over 22,400 stores. It covers seven major bundle types in a single app and includes AI-powered Frequently Bought Together and an AI Bundle Image Generator, both of which are uncommon at this price point. The trade-off is pricing structure: plans are capped by monthly bundle revenue, so a store generating $10K through bundles pays $139/month, significantly more than flat-fee alternatives.

5.0 (2,707 reviews) on Shopify App Store
Kaching Bundles & Upsells is a Shopify bundle app with one of the highest review counts in the category at 4,310 reviews and a 5.0 rating. It covers fixed, mix-and-match, variant, wholesale, and subscription bundles, and includes built-in A/B testing, a feature most bundle apps lack entirely. The watch-out is its billing track record: multiple recent reviews report charges continuing after subscription cancellation, which has surfaced as a recurring theme in the latest reviews.

5.0 (4,310 reviews) on Shopify App Store
Bundly is a Built-for-Shopify-certified bundle app focused on mix-and-match, BYOB, and fixed bundles with strong technical compliance. It supports up to 2,048 variants per bundle, which directly addresses Bundler's well-documented 80-variant breakage point, and includes native Shopify Markets and B2B compatibility. The footprint is smaller than the bigger players in the category with only 55 reviews, but it earns the Built for Shopify badge and ships modern technical features.

4.9 (55 reviews) on Shopify App Store
Sumi is a Shopify bundle app focused on full-page immersive bundle UX, built on Shopify Functions for native checkout performance. It uses a single flat $24/month pricing tier with no feature gating or revenue caps, which is unusual in this category. The app is newer with only nine reviews to date, but every review specifically names the design quality and developer responsiveness as standouts.

5.0 (9 reviews) on Shopify App Store
Biscuits Bundles is a Built-for-Shopify-certified bundle app focused on step-based mix-and-match and Build-a-Box flows, built natively on Shopify's Cart Transforms and Functions stack. It earned the Built for Shopify badge with only 86 reviews, which signals strong performance and UX scores in Shopify's internal evaluation. The app is intentionally narrow in scope: there are no upsell, FBT, or post-purchase features, just polished bundle building.

5.0 (86 reviews) on Shopify App Store
The complaints that show up most often in Bundler's 1-star and 2-star reviews share a few recurring themes. These are the practical reasons Shopify stores switch.
Multiple recent reviews flag the same wall: features advertised on the free plan trigger a "This type of bundle is only available on a higher plan" banner mid-setup. Mix-and-match, the most-requested bundle format on Bundler, is locked to the paid tier. The pattern shows up across reviewers from the UK, Canada, the United States, and Italy: install, attempt to build, hit the upgrade prompt, uninstall.
This is the most significant technical limitation. Bundler applies discounts through Shopify draft orders, which has two consequences stores hit constantly. Automatic discounts do not apply on draft order checkouts, which means stacked promotions break. And the "back to cart" link is missing from the draft order checkout page, so customers cannot easily return to fix their cart. Apps built on Shopify's Cart Transformation API, including Easy Bundle Builder and Biscuits Bundles, avoid this architecture entirely.
A 2-star review puts it directly: "the user interface is TERRIBLE. This is especially noticeable when compared to Kaching, BundleBee, or any other bundling app where you can see exactly what the app widget will look like and how the changes you're making will affect the deal / widget." Stores using modern Shopify themes find Bundler's widget sticks out visually, and the customization options are limited to color changes.
One reviewer with a high-variant catalog put it bluntly: a product with 80 variants quietly stopped working in Bundler, and the issue was only discovered by checking abandoned cart data. For stores in fashion, supplements, or any vertical with deep variant counts, this is a silent revenue leak that compounds quickly during high-traffic events.
Bundle performance reports, revenue tracking, and conversion graphs are only available on the $19.99/month Executive plan. Stores on the lower tiers cannot measure which bundles are actually working, which makes it hard to optimize the offering or justify the spend on the upgrade.
Documented in multiple reviews: charges appearing without consent for plan upgrades the store never accepted, and continued billing for stores that stopped using the app. The pattern is rare but recurring enough to surface as a theme across reviews from multiple countries.
Bundler is a Shopify bundle app developed in Ljubljana, Slovenia, launched in July 2019 and currently sitting at 4.9 stars with over 2,200 reviews. It covers a broad range of bundle types including classic bundles, mix-and-match, sectioned mix-and-match, tiered mix-and-match, variant bundles, volume discounts, BYOB, gift boxes, subscription boxes, frequently bought together, digital products, and wholesale bundles. The app integrates with Shopify POS and supports multi-currency, custom CSS, scheduled bundles, and customer tag restrictions.
For small Shopify stores running simple volume discount campaigns or BOGO offers without a complex catalog, Bundler is a reasonable budget choice. The free tier covers basic bundling, the pricing is among the lowest in the category, and the app has been around long enough to be a known quantity in the ecosystem. Positive reviews consistently mention quick setup and a responsive support team for stores with straightforward use cases.
The cases where Bundler stops working are documented in the section above: complex catalogs with deep variants, modern theme aesthetics, the need for accurate checkout discount stacking, and stores that scale past the free tier and need analytics to justify the next step.
For stores deciding directly between Easy Bundle Builder and Bundler, here is the direct comparison across the dimensions that matter.
Easy Bundle Builder is the better choice for any Shopify store running mix-and-match flows, gift boxes, subscription bundles, or any catalog with high variant counts. Bundler can work for the smallest stores with the simplest bundle needs and a tight budget, but the draft order checkout, gated free plan, and analytics paywall make it a poor fit for any store with growth plans.
Easy Bundle Builder supports BYOB, mix and match, gift boxes, subscription bundles, fixed bundles, quantity breaks, and pre-curated bundles with variant selection. Bundler also lists most of these formats but locks mix-and-match and subscription bundles behind paid tiers. On the free plan, only volume discounts and Buy X Get Y are fully usable.
Easy Bundle Builder uses Shopify's Cart Transformation API. Bundle items appear as individual line items at checkout, which means automatic discounts apply, inventory tracks accurately, and the checkout flow is clean. Bundler uses Shopify draft orders, which breaks automatic discount stacking and removes the "back to cart" link from the checkout experience.
Easy Bundle Builder's free Starter plan includes full feature access up to $500/month in bundle sales. Bundler's free plan advertises features that require a paid upgrade to actually use, which surfaces as the single most common complaint in 1-star reviews.
Easy Bundle Builder ships a drag-and-drop design builder with multiple pre-designed templates and full control over colors, fonts, layouts, and styling without code. Bundler's customization is limited to color changes on a widget design that reviewers consistently flag as dated.
Easy Bundle Builder includes bundle performance, revenue, and average order value analytics on all paid plans. Bundler restricts analytics to the $19.99/month Executive plan only, which means lower-tier stores cannot measure AOV impact from their bundles.
Bundler is cheaper at the entry level ($9.99/month versus $49/month) and has a more accessible free tier for absolute beginners. Easy Bundle Builder costs more upfront but includes Cart Transformation API, full analytics, drag-and-drop design, and Shopify Markets support that Bundler either gates behind upgrades or does not offer at all.
Choose Easy Bundle Builder if your store runs mix-and-match flows, gift boxes, subscription bundles, has a catalog with deep variants, uses Shopify Markets for international sales, or needs accurate checkout discount stacking. Choose Bundler if your store has fewer than 50 SKUs, runs only basic volume discounts or BOGO offers, has a tight monthly budget under $20, and does not need analytics or modern widget styling.
In this guide, we examined the strongest Bundler app alternatives on the Shopify App Store, including Easy Bundle Builder, Pumper Bundles, Fast Bundle, Kaching Bundles, Bundly, Sumi Bundle Suite, and Biscuits Bundles. We evaluated each on bundle type coverage, checkout architecture, pricing transparency, customization, analytics, and review quality.
Overall, Easy Bundle Builder stands out as the most well-rounded Bundler app alternative. The Cart Transformation API checkout fixes Bundler's biggest architectural flaw, the free plan delivers genuine value rather than upgrade-banner traps, every bundle format is covered in one app from BYOB to quantity breaks, and the platform is proven at scale with $153M+ in generated bundle revenue. For stores wanting a lighter alternative with revenue-based pricing, Pumper Bundles is the budget pick, and Fast Bundle is the safest "Built for Shopify" option for stores prioritizing AI features.
A good way to approach this is to shortlist a few apps, sign up for the trial period, and see what best works for your store. All the best!
Easy Bundle Builder is the best Bundler app alternative for most Shopify stores, with full bundle type coverage including BYOB, mix and match, gift boxes, quantity breaks, and subscription bundles, plus Shopify Cart Transformation API checkout that solves Bundler's draft order issues.
The most common reasons are the misleading free plan that gates advertised features behind paid upgrades, the draft order checkout that breaks automatic discount stacking, the outdated widget design, the 80+ variant breakage on catalog-heavy stores, and analytics being locked behind the top pricing tier.
Pumper Bundles offers the lowest financial entry with its revenue-based pricing model, free until $300 in bundle revenue and then $9.99/month. Bundly and Biscuits Bundles also have competitive entry pricing for stores willing to pay a flat fee.
Easy Bundle Builder uses Shopify's Cart Transformation API for checkout, covers every bundle type in one app, includes analytics on all paid plans, and supports Shopify Markets natively. Bundler is cheaper at entry but uses Shopify draft orders, gates mix-and-match behind paid tiers, locks analytics to the top tier, and has documented variant breakage at 80+ variants.
Shopify's free Shopify Bundles app handles basic fixed bundles but does not support mix and match, BYOB, gift boxes, subscription bundles, or quantity breaks. For any bundle format beyond simple fixed bundles, a dedicated bundle app like Easy Bundle Builder is required.
Yes, every app in this guide works with Shopify Plus. Easy Bundle Builder has specific Shopify Plus tier (Plus and Enterprise plans) with multi-language, multi-currency, SDK integrations, and dedicated account management. Fast Bundle, Kaching Bundles, and Biscuits Bundles are also Built-for-Shopify certified for Plus compatibility.
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